* {margin:0 auto; padding:0;}
body{ font:normal 12px/20px Arial, Helvetica, sans-serif, "宋体"; background: #ffffff; color: #000000;}
body,html{height:100%;text-align:left; }

.wrap_top {
	height: 64px;
	background-image: url("../img/admin/top-right.gif");
	background-repeat: repeat-x;
	overflow: hidden;
}
.top_logo {
	float: left;
	width: 262px;
	height: 64px;
	background-image: url('../img/admin/logo.gif');
}
.top_nav {
	float: right;
	text-align: right;
	padding: 10px 20px 0 0;
	color: #FFF;
}
.top_nav span {
	display:block;
	float:right;
}
.top_nav .logout{
	background-image: url('../img/admin/out.gif');
	width: 46px;
	height: 20px;
	margin-left: 8px;
	cursor:pointer;	
}